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|
---
- name: "Creating VM"
block:
- set_fact:
vm_name: "{{ node_names[item.0 | int] }}"
- set_fact:
vm_log_file: "{{ node_logdir }}/{{ vm_name }}_console.log"
vm_host_group: "{{ vm_default_groups }}"
- set_fact:
vm_host_group: "{{ vm_default_groups | union(vm_groups[vm_name]) }}"
when: vm_groups[vm_name] is defined
- name: set prealloc arg for Debian
set_fact:
prealloc: "--prealloc-metadata"
when:
- ansible_os_family == 'Debian'
- vm_libvirt_uri == 'qemu:///system'
- name: list info on pools
virt_pool:
command: facts
uri: "{{ vm_libvirt_uri }}"
- name: list existing vms
virt:
command: list_vms
register: existing_vms
- block:
- name: Check if volume exists
stat:
path: "{{ opnfv_image_path }}/{{ vm_name }}.qcow2"
register: _vm_volume_prepared
- name: Resize opnfv VM image to {{ item.disks[0].disk_capacity }}
command: "qemu-img resize {{ opnfv_image_path }}/opnfv.qcow2 {{ item.1.disks[0].disk_capacity }}"
when:
- vm_name == 'opnfv'
- _vm_volume_prepared.stat.exists
# NOTE(pas-ha) Ansible still lacks modules to operate on libvirt volumes
# mbuil: Assuming there is only one disk [0]
- name: create volume for vm
command: >
virsh --connect {{ vm_libvirt_uri }}
vol-create-as {{ node_storage_pool }} {{ vm_name }}.qcow2
{{ item.1.disks[0].disk_capacity }}
--format qcow2 {{ prealloc|default("") }}
when:
- not _vm_volume_prepared.stat.exists
- (vm_name + '.qcow2') not in ansible_libvirt_pools[node_storage_pool].volumes
- name: set path to the volume created
set_fact:
vm_volume_path: "{{ ansible_libvirt_pools[node_storage_pool].path }}/{{ vm_name }}.qcow2"
- name: pre-touch the vm volume
file:
state: touch
path: "{{ vm_volume_path }}"
when: vm_libvirt_uri == 'qemu:///system'
# NOTE(TheJulia): CentOS default installs with an XFS root, and chattr
# fails to set +C on XFS. This could be more elegant, however the use
# case is for CI testing.
- name: set copy-on-write for volume on non-CentOS systems
command: chattr +C {{ vm_volume_path }}
ignore_errors: yes
when:
- ansible_distribution != 'CentOS'
- vm_libvirt_uri == 'qemu:///system'
# Fetches the xml descriptor from the template
- name: create_vm
virt:
command: define
name: "{{ vm_name }}"
uri: "{{ vm_libvirt_uri }}"
xml: "{{ lookup('template', 'vm.xml.j2') }}"
rescue:
- name: "Execute `dmesg` to collect debugging output should VM creation fail."
command: dmesg
- name: >
"Execute `virsh capabilities` to collect debugging output
should VM creation fail."
command: virsh capabilities
- name: "Abort due to failed VM creation"
fail: >
msg="VM creation step failed, please review dmesg
output for additional details"
when: vm_name not in existing_vms.list_vms
# TODO(pas-ha) replace 'command: vbmc ...' tasks
# with a custom Ansible module using vbmc Python API
- name: get list of nodes from virtualbmc
command: vbmc list
environment:
PATH: "{{ lookup('env', 'XCI_VENV') }}/bin"
register: vbmc_list
# NOTE(NobodyCam): Space at the end of the find clause is required for proper matching.
- name: delete vm from virtualbmc if it is there
command: vbmc delete {{ vm_name }}
environment:
PATH: "{{ lookup('env', 'XCI_VENV') }}/bin"
when: vbmc_list.stdout.find(vm_name) != -1
- set_fact:
virtual_ipmi_port: "{{ (vm_ipmi_port_start|default(623) | int ) + (item.0 | int) }}"
- name: plug vm into vbmc
command: vbmc add {{ vm_name }} --libvirt-uri {{ vm_libvirt_uri }} --port {{ virtual_ipmi_port }}
environment:
PATH: "{{ lookup('env', 'XCI_VENV') }}/bin"
- name: start virtualbmc
command: vbmc start {{ vm_name }}
environment:
PATH: "{{ lookup('env', 'XCI_VENV') }}/bin"
- name: get XML of the vm
virt:
name: "{{ vm_name }}"
command: get_xml
register: vm_xml
- name: Fetch the ip
set_fact:
vm_ip: "{%- for interface in item.1.interfaces %}{%- if 'native' in (interface.vlan | string) %}{{ interface.address }}{%- endif %}{%- endfor %}"
# Assumes there is only a single NIC per VM
- name: get MAC from vm XML
set_fact:
vm_mac: "{{ (vm_xml.get_xml | regex_findall(\"<mac address='.*'/>\") | first).split('=') | last | regex_replace(\"['/>]\", '') }}"
# NOTE(pas-ha) using default username and password set by virtualbmc - "admin" and "password" respectively
# see vbmc add --help
- name: set the json entry for vm
set_fact:
vm_data:
name: "{{ vm_name }}"
uuid: "{{ vm_name | to_uuid }}"
host_groups: "{{ vm_host_group }}"
driver: "{{ vm_node_driver|default('ipmi') }}"
driver_info:
power:
ipmi_address: "192.168.122.1"
ipmi_port: "{{ virtual_ipmi_port }}"
ipmi_username: "{{ item.1.remote_management.user }}"
ipmi_password: "{{ item.1.remote_management.pass }}"
nics:
- mac: "{{ vm_mac }}"
ansible_ssh_host: "{{ vm_ip }}"
ipv4_address: "{{ vm_ip }}"
properties:
cpu_arch: "{{ item.1.node.arch }}"
ram: "{{ item.1.node.memory.rstrip('G') }}"
cpus: "{{ item.1.node.cpus }}"
disk_size: "{{ item.1.disks[0].disk_capacity.rstrip('G') }}"
- name: add created vm info
set_fact:
nodes_json_data: "{{ nodes_json_data | combine({vm_name: vm_data}) }}"
when: vm_name != 'opnfv'
- name: Record OPNFV VM ip
set_fact:
opnfv_vm_ip: "{{ vm_ip }}"
when: vm_name == 'opnfv'
when: (num_nodes | int) > (item.0 | int)
|
